SIMPLEX TRADING, LLC

Position in ALKS — Alkermes plc.

CIK 1488542 CHICAGO, IL

Position in ALKS

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$1,896,303

+$1,431,744 QoQ

Shares Held

36,189

+175.5% QoQ

Ownership

0.022%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#180

of 421 holders

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $21,250,585 across 27 Drug Manufacturers - Specialty & Generic names. ALKS ranks #3 (8.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	87,334	$6,275,821
2	TEVA	Teva Pharmaceutical Industries Ltd	174,409	$5,908,976
3	ALKS	Alkermes plc. This page	36,189	$1,896,303
4	HIMS	Hims & Hers Health, Inc.	46,856	$1,624,497
5	BIOA	BioAge Labs, Inc.	47,280	$1,158,832
6	HROW	Harrow, Inc.	15,349	$651,872
7	CRON	Cronos Group Inc.	223,728	$621,963
8	NBIX	Neurocrine Biosciences Inc	3,509	$591,406

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,896,303	36,189	+175.5%	Shares	Sole	2026-08-12
2026-03-31	$464,559	13,138	-10.4%	Shares	Sole	2026-05-14
2025-09-30	$440,010	14,667	+183.5%	Shares	Sole	2025-11-12
2024-09-30	$144,792	5,173	-42.5%	Shares	Sole	2024-11-08
2023-12-31	$249,770	9,004	-62.5%	Shares	Sole	2024-02-02
2023-09-30	$672,099	23,995	+2645.4%	Shares	Sole	2023-11-01
2022-12-31	$22,837	874	-70.7%	Shares	Sole	2023-02-02
2022-06-30	$88,774	2,980	-71.5%	Shares	Sole	2022-08-03
2022-03-31	$274,913	10,449	-63.5%	Shares	Sole	2022-05-02
2021-09-30	$881,931	28,597	+15.8%	Shares	Sole	2021-10-28
2021-06-30	$605,717	24,703	-58.2%	Shares	Sole	2021-08-12
2021-03-31	$1,103,502	59,074	+464.5%	Shares	Sole	2021-04-26
2020-12-31	$208,776	10,465	-87.0%	Shares	Sole	2021-02-02
2020-06-30	$1,567,182	80,741	+273.6%	Shares	Sole	2020-07-13
2020-03-31	$311,630	21,611	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.